江西农业学报2023，35（01）：94~98ActaAgriculturaeJiangxiDOI:10.19386/j.cnki.jxnyxb.2023.01.015施用生物炭对红壤坡地土壤性质改良效果的试验研究石芬芬1，2，莫明浩1，2*，胡皓1，2，徐燕星3（1.江西省水利科学院，江西南昌330029；2.江西省土壤侵蚀与防治重点实验室，江西南昌330029；3.江西水利职业学院，江西南昌330013）摘要:选择红壤侵蚀劣地平直坡面、红壤侵蚀劣地竹节沟坡面、红壤坡地果园3种典型坡地土壤，以稻壳生物炭为土壤改良剂，研究了施用生物炭对南方红壤坡地的改良效果。试验结果表明：在侵蚀劣地平直坡面上施用1.0kg/m2生物炭或者在竹节沟内施用0.5kg/m2生物炭均可以明显提高土壤的入渗性，增加土壤肥力，促进植被生长；在甜柚坡地果园施用2.0kg/m2生物炭+减少施肥量0%~20%可以明显增加土壤的有效磷含量，并增加果树的产量。总之，施用适量的生物炭对于南方侵蚀劣地坡地和果园坡地的土壤均具有良好的改良效果。关键词:生物炭；红壤；坡地；土壤性质；改良效果中图分类号：S156.6文献标志码：A文章编号：1001-8581（2023）01-0094-05ExperimentalStudyonImprovementEffectofBiocharApplicationonSoilPropertiesofRedSoilSlopeLandSHIFen-fen1,2,MOMing-hao1,2*,HUHao1,2,XUYan-xing3（1.JiangxiAcademyofWaterConservancySciences,Nanchang330029,China;2.JiangxiProvincialKeyLaboratoryofSoilErosionandPrevention,Nanchang330029,China;3.JiangxiWaterResourcesInstitute,Nanchang330013,China）Abstract:InordertostudytheeffectofbiocharapplicationontheimprovementofsoilpropertiesofredsoilslopelandinsouthChina,threetypicalslopelandsoilswereselected,namely,theflatslopeofredsoilerosioninferiority,theZhujiegouslopeofredsoilerosioninferiorityandtheorchardofredsoilslopeland,andricehullbiocharwastakenasthesoilconditioner.Theresultsshowedthattheapplicationof1.0kg/m2biocharintheflatslopeofredsoilerosioninferiorityor0.5kg/m2biocharintheZhujiegouslopeofredsoilerosioninferioritycansignificantlyimprovethesoilinfiltration,increasethesoilfertility,andpromotethegrowthofvegetation.Theapplicationof2.0kg/m2biocharandreducing0%~20%offertilizationamountinsweetpomeloslopeorchardcansignificantlyincreasesoilavailablephosphoruscontentandincreasefruityield.InConclusion,theappl...
